diff --git a/rpc/jsonrpc/types/chainsvrwscmds.go b/rpc/jsonrpc/types/chainsvrwscmds.go
index 2107c7a464..30d3045e0b 100644
--- a/rpc/jsonrpc/types/chainsvrwscmds.go
+++ b/rpc/jsonrpc/types/chainsvrwscmds.go
@@ -89,17 +89,6 @@ func NewNotifyWinningTicketsCmd() *NotifyWinningTicketsCmd {
 	return &NotifyWinningTicketsCmd{}
 }
 
-// NotifySpentAndMissedTicketsCmd is a type handling custom marshaling and
-// unmarshaling of notifyspentandmissedtickets JSON websocket extension
-// commands.
-type NotifySpentAndMissedTicketsCmd struct {
-}
-
-// NewNotifySpentAndMissedTicketsCmd creates a new NotifySpentAndMissedTicketsCmd.
-func NewNotifySpentAndMissedTicketsCmd() *NotifySpentAndMissedTicketsCmd {
-	return &NotifySpentAndMissedTicketsCmd{}
-}
-
 // NotifyNewTicketsCmd is a type handling custom marshaling and
 // unmarshaling of notifynewtickets JSON websocket extension
 // commands.
@@ -207,7 +196,6 @@ func init() {
 	dcrjson.MustRegister(Method("notifytspend"), (*NotifyTSpendCmd)(nil), flags)
 	dcrjson.MustRegister(Method("notifynewtransactions"), (*NotifyNewTransactionsCmd)(nil), flags)
 	dcrjson.MustRegister(Method("notifynewtickets"), (*NotifyNewTicketsCmd)(nil), flags)
-	dcrjson.MustRegister(Method("notifyspentandmissedtickets"), (*NotifySpentAndMissedTicketsCmd)(nil), flags)
 	dcrjson.MustRegister(Method("notifywinningtickets"), (*NotifyWinningTicketsCmd)(nil), flags)
 	dcrjson.MustRegister(Method("rebroadcastwinners"), (*RebroadcastWinnersCmd)(nil), flags)
 	dcrjson.MustRegister(Method("session"), (*SessionCmd)(nil), flags)
diff --git a/rpc/jsonrpc/types/chainsvrwsntfns.go b/rpc/jsonrpc/types/chainsvrwsntfns.go
index ab2b999417..94c325e87c 100644
--- a/rpc/jsonrpc/types/chainsvrwsntfns.go
+++ b/rpc/jsonrpc/types/chainsvrwsntfns.go
@@ -49,10 +49,6 @@ const (
 	// transaction was accepted by the mempool.
 	RelevantTxAcceptedNtfnMethod Method = "relevanttxaccepted"
 
-	// SpentAndMissedTicketsNtfnMethod is the method of the daemon
-	// spentandmissedtickets notification.
-	SpentAndMissedTicketsNtfnMethod Method = "spentandmissedtickets"
-
 	// WinningTicketsNtfnMethod is the method of the daemon winningtickets
 	// notification.
 	WinningTicketsNtfnMethod Method = "winningtickets"
@@ -154,25 +150,6 @@ func NewReorganizationNtfn(oldHash string, oldHeight int32, newHash string,
 	}
 }
 
-// SpentAndMissedTicketsNtfn is a type handling custom marshaling and
-// unmarshaling of spentandmissedtickets JSON websocket notifications.
-type SpentAndMissedTicketsNtfn struct {
-	Hash      string
-	Height    int32
-	StakeDiff int64
-	Tickets   map[string]string
-}
-
-// NewSpentAndMissedTicketsNtfn creates a new SpentAndMissedTicketsNtfn.
-func NewSpentAndMissedTicketsNtfn(hash string, height int32, stakeDiff int64, tickets map[string]string) *SpentAndMissedTicketsNtfn {
-	return &SpentAndMissedTicketsNtfn{
-		Hash:      hash,
-		Height:    height,
-		StakeDiff: stakeDiff,
-		Tickets:   tickets,
-	}
-}
-
 // TxAcceptedNtfn defines the txaccepted JSON-RPC notification.
 type TxAcceptedNtfn struct {
 	TxID   string  `json:"txid"`
@@ -244,6 +221,5 @@ func init() {
 	dcrjson.MustRegister(TxAcceptedNtfnMethod, (*TxAcceptedNtfn)(nil), flags)
 	dcrjson.MustRegister(TxAcceptedVerboseNtfnMethod, (*TxAcceptedVerboseNtfn)(nil), flags)
 	dcrjson.MustRegister(RelevantTxAcceptedNtfnMethod, (*RelevantTxAcceptedNtfn)(nil), flags)
-	dcrjson.MustRegister(SpentAndMissedTicketsNtfnMethod, (*SpentAndMissedTicketsNtfn)(nil), flags)
 	dcrjson.MustRegister(WinningTicketsNtfnMethod, (*WinningTicketsNtfn)(nil), flags)
 }
diff --git a/rpc/jsonrpc/types/chainsvrwsntfns_test.go b/rpc/jsonrpc/types/chainsvrwsntfns_test.go
index c3d74006d4..2f1f23ab26 100644
--- a/rpc/jsonrpc/types/chainsvrwsntfns_test.go
+++ b/rpc/jsonrpc/types/chainsvrwsntfns_test.go
@@ -85,22 +85,6 @@ func TestChainSvrWsNtfns(t *testing.T) {
 				Transaction: "001122",
 			},
 		},
-		{
-			name: "spentandmissedtickets",
-			newNtfn: func() (interface{}, error) {
-				return dcrjson.NewCmd(Method("spentandmissedtickets"), "123", 100, 3, map[string]string{"a": "b"})
-			},
-			staticNtfn: func() interface{} {
-				return NewSpentAndMissedTicketsNtfn("123", 100, 3, map[string]string{"a": "b"})
-			},
-			marshalled: `{"jsonrpc":"1.0","method":"spentandmissedtickets","params":["123",100,3,{"a":"b"}],"id":null}`,
-			unmarshalled: &SpentAndMissedTicketsNtfn{
-				Hash:      "123",
-				Height:    100,
-				StakeDiff: 3,
-				Tickets:   map[string]string{"a": "b"},
-			},
-		},
 		{
 			name: "txaccepted",
 			newNtfn: func() (interface{}, error) {